Thread: Supernova 2009hm in NGC7083
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Old 21-09-2009, 09:44 PM
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Spanrz (Brett)
Always fixing a CAT.

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Join Date: Jun 2008
Location: Narre South, Melbourne, AUS
Posts: 394
Phenomenal stuff... OK, I gotta ask the mathematical question.

How long ago (years), did this supernova actually happen? (How many lights years is it away from us?)
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